From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
"Theodore Ts'o" <tytso@mit.edu>,
Huang Ying <ying.huang@intel.com>
Subject: [PATCH 02/29] uuid: use prandom_bytes()
Date: Mon, 24 Dec 2012 11:13:49 +0900 [thread overview]
Message-ID: <1356315256-6572-3-git-send-email-akinobu.mita@gmail.com> (raw)
In-Reply-To: <1356315256-6572-1-git-send-email-akinobu.mita@gmail.com>
Use prandom_bytes() to generate 16 bytes of pseudo-random bytes.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Huang Ying <ying.huang@intel.com>
---
lib/uuid.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/lib/uuid.c b/lib/uuid.c
index 52a6fe6..398821e 100644
--- a/lib/uuid.c
+++ b/lib/uuid.c
@@ -25,13 +25,7 @@
static void __uuid_gen_common(__u8 b[16])
{
- int i;
- u32 r;
-
- for (i = 0; i < 4; i++) {
- r = random32();
- memcpy(b + i * 4, &r, 4);
- }
+ prandom_bytes(b, 16);
/* reversion 0b10 */
b[8] = (b[8] & 0x3F) | 0x80;
}
--
1.7.11.7
next prev parent reply other threads:[~2012-12-24 2:14 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-24 2:13 [PATCH 00/29] rename random32 and net_random to prandom Akinobu Mita
2012-12-24 2:13 ` [PATCH 01/29] raid6test: use prandom_bytes() Akinobu Mita
2012-12-24 2:13 ` Akinobu Mita [this message]
2012-12-24 2:13 ` [PATCH 03/29] x86: pageattr-test: remove srandom32 call Akinobu Mita
2012-12-24 2:13 ` [PATCH 04/29] x86: rename random32() to prandom_u32() Akinobu Mita
2012-12-24 2:13 ` [PATCH 05/29] lib/: " Akinobu Mita
2012-12-24 2:13 ` [PATCH 06/29] mm/: " Akinobu Mita
2012-12-24 2:13 ` [PATCH 07/29] kernel/: " Akinobu Mita
2012-12-24 2:13 ` [PATCH 08/29] drbd: " Akinobu Mita
2012-12-24 2:13 ` [PATCH 09/29] infiniband: rename random32() and net_random() " Akinobu Mita
2012-12-24 2:13 ` [PATCH 10/29] mmc: rename random32() " Akinobu Mita
2012-12-24 2:13 ` [PATCH 11/29] video/uvesafb: " Akinobu Mita
2012-12-24 2:13 ` [PATCH 12/29] xfs: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 13/29] ubifs: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 14/29] uwb: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 15/29] lguest: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 16/29] scsi: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 17/29] mtd: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 18/29] drivers/net: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 19/29] batman-adv: fix random jitter calculation Akinobu Mita
2012-12-25 11:26 ` Antonio Quartulli
2012-12-25 21:35 ` Akinobu Mita
2012-12-25 21:37 ` David Miller
2012-12-24 2:14 ` [PATCH 20/29] batman-adv: rename random32() to prandom_u32() Akinobu Mita
2012-12-25 11:30 ` Antonio Quartulli
2013-01-02 11:52 ` [B.A.T.M.A.N.] " Marek Lindner
2012-12-24 2:14 ` [PATCH 21/29] net/sunrpc: rename random32() and net_random() " Akinobu Mita
2012-12-24 2:14 ` [PATCH 22/29] net/sched: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 23/29] net/ipv4: rename " Akinobu Mita
2012-12-24 2:14 ` [PATCH 24/29] net/ipv6: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 25/29] net/netfilter: rename random32() and " Akinobu Mita
2012-12-24 2:14 ` [PATCH 26/29] net/core: " Akinobu Mita
2012-12-24 2:14 ` [PATCH 27/29] net/core: remove duplicate statements by do-while loop Akinobu Mita
2012-12-24 2:14 ` [PATCH 28/29] net/: rename net_random() to prandom_u32() Akinobu Mita
2012-12-25 0:21 ` Neil Horman
2012-12-25 11:47 ` Akinobu Mita
2012-12-26 0:42 ` Neil Horman
2012-12-24 2:14 ` [PATCH 29/29] remove unused net_random(), net_srandom(), random32(), and srandom32() Akinobu Mita
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